WDM

WDM may refer to:

• Warm dark matter in cosmology
• Warm dense matter, a state of matter between solid and plasma
• Wavelength-division multiplexing, a signal transmission method
• wdm, the WINGs Display Manager on Unix
• West Des Moines, Iowa, USA, a city
• Western Development Museum of Saskatchewan
• Windows Driver Model, a framework for device drivers in Windows
• World Development Movement, a British campaign for social justice
• Waking Down in Mutuality, an American "spiritual awakening" association

People

• Warith Deen Muhammad (Wallace D. Muhammad), a leader of the Nation of Islam
• Warren Demian Manshel, a U.S. ambassador
• William D. Mitchell, a U.S. Attorney General
• William De Morgan, a tile designer
• William Diller Matthew, a paleontologist
• William Dunn Moseley, a U.S. politician